Finding the Fourth Proportional to 1,871,357.99, 2,582,470.96 and 1,055,559.13
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Solution
The fourth proportional to 1,871,357.99, 2,582,470.96 and 1,055,559.13 is: 1,456,669.87
Step by Step Solution
- Step 1: Write the proportion equation
1,871,357.99 : 2,582,470.96 = 1,055,559.13 : x - Step 2: Convert to fraction form
1,871,357.99/2,582,470.96 = 1,055,559.13/x - Step 3: Cross multiply
1,871,357.99x = 2,582,470.96 × 1,055,559.13 - Step 4: Simplify right side
1,871,357.99x = 2,725,950,790,692.79 - Step 5: Solve for x
x = 2,725,950,790,692.79/1,871,357.99 - Step 6: Final answer
x = 1,456,669.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.